ATE41072T1 - Magnetkopf. - Google Patents

Magnetkopf.

Info

Publication number
ATE41072T1
ATE41072T1 AT85201428T AT85201428T ATE41072T1 AT E41072 T1 ATE41072 T1 AT E41072T1 AT 85201428 T AT85201428 T AT 85201428T AT 85201428 T AT85201428 T AT 85201428T AT E41072 T1 ATE41072 T1 AT E41072T1
Authority
AT
Austria
Prior art keywords
contact face
magnetic head
curved
movement
transfer gap
Prior art date
Application number
AT85201428T
Other languages
English (en)
Inventor
Gerardus Maria Dohmen
Jacob Gerrit Fijnvandraat
Budiman Sastra
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL8402798A external-priority patent/NL8402798A/nl
Priority claimed from NL8403053A external-priority patent/NL8403053A/nl
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE41072T1 publication Critical patent/ATE41072T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
AT85201428T 1984-09-13 1985-09-10 Magnetkopf. ATE41072T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8402798A NL8402798A (nl) 1984-09-13 1984-09-13 Magneetkop.
NL8403053A NL8403053A (nl) 1984-10-08 1984-10-08 Magneetkop.
EP85201428A EP0176131B1 (de) 1984-09-13 1985-09-10 Magnetkopf

Publications (1)

Publication Number Publication Date
ATE41072T1 true ATE41072T1 (de) 1989-03-15

Family

ID=26645976

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85201428T ATE41072T1 (de) 1984-09-13 1985-09-10 Magnetkopf.

Country Status (5)

Country Link
US (1) US4706146A (de)
EP (1) EP0176131B1 (de)
JP (1) JPS6174119A (de)
AT (1) ATE41072T1 (de)
DE (1) DE3568507D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611970B1 (fr) * 1987-03-06 1989-05-26 Thomson Csf Procede de realisation d'une tete magnetique en couches minces et application a une tete d'enretistrement/lecture
JP2659252B2 (ja) * 1989-12-15 1997-09-30 株式会社日立製作所 磁気ヘッドの製造装置および製造方法
JPH03286452A (ja) * 1990-03-31 1991-12-17 Sony Corp ドラム装置
US5426551A (en) * 1993-07-19 1995-06-20 Quantum Corp. Magnetic contact head having a composite wear surface
US6122147A (en) * 1999-01-05 2000-09-19 Imation Corp. Negative pressure head contour in a linear tape recording system with tape deforming cavity
JP2004134043A (ja) * 2002-10-15 2004-04-30 Alps Electric Co Ltd 回転ヘッド装置およびこれを用いた磁気再生装置
US10062399B1 (en) * 2017-12-28 2018-08-28 International Business Machines Corporation Distributing tape drive abrasion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB776348A (en) * 1954-02-08 1957-06-05 British Thomson Houston Co Ltd Improvements in and relating to recording or reproducing magnetic head
US3414895A (en) * 1966-01-14 1968-12-03 Honeywell Inc Magnetic head with means for assuring firm tape-head contact
US3663767A (en) * 1968-11-16 1972-05-16 Tokyo Shibaura Electric Co Magnetic head
GB1410264A (en) * 1973-04-18 1975-10-15 Nortronics Co Magnetic transducers
US4003091A (en) * 1976-03-08 1977-01-11 International Business Machines Corporation Transducer support and stabilizer
NL8100143A (nl) * 1981-01-14 1982-08-02 Philips Nv Inrichting voor magnetische opname en weergave van signalen en magnetische overdrachtskop daarvoor.
JPS57189325A (en) * 1981-05-18 1982-11-20 Toshiba Corp Composite magnetic head
JPS58215716A (ja) * 1982-06-07 1983-12-15 Victor Co Of Japan Ltd 磁気ヘツド
JPS5916119A (ja) * 1982-07-19 1984-01-27 Hitachi Ltd 磁気ヘツド

Also Published As

Publication number Publication date
US4706146A (en) 1987-11-10
EP0176131A1 (de) 1986-04-02
EP0176131B1 (de) 1989-03-01
JPS6174119A (ja) 1986-04-16
DE3568507D1 (en) 1989-04-06
JPH0582646B2 (de) 1993-11-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties